I imagine there's a large group of people somewhere dying to know why you're an atheist, but I can't come up with a single reason why it should interest me, so I'll pass. Thanks for the effort nonetheless - I'm sure your video is riveting.
"The fact that a believer is happier than a skeptic is no more to the point than the fact that a drunken man is happier than a sober one." - George Bernard Shaw